47401359449 has 2 divisors, whose sum is σ = 47401359450. Its totient is φ = 47401359448.

The previous prime is 47401359409. The next prime is 47401359457. The reversal of 47401359449 is 94495310474.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 33564072025 + 13837287424 = 183205^2 + 117632^2 .

It is a cyclic number.

It is not a de Polignac number, because 47401359449 - 2²⁴ = 47384582233 is a prime.

It is a super-2 number, since 2×47401359449² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 47401359397 and 47401359406.

It is not a weakly prime, because it can be changed into another prime (47401359409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23700679724 + 23700679725.

It is an arithmetic number, because the mean of its divisors is an integer number (23700679725).

Almost surely, 2^47401359449 is an apocalyptic number.

It is an amenable number.

47401359449 is a deficient number, since it is larger than the sum of its proper divisors (1).

47401359449 is an equidigital number, since it uses as much as digits as its factorization.

47401359449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The spelling of 47401359449 in words is "forty-seven billion, four hundred one million, three hundred fifty-nine thousand, four hundred forty-nine".